Vulnerability Name:

CVE-2021-3739 (CCN-208201)

Assigned:2021-08-25
Published:2021-08-25
Updated:2022-06-01
Summary:A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.
CVSS v3 Severity:7.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H)
6.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:3.6 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-3739

Source: CCN
Type: Red Hat Bugzilla – Bug 1997958
(CVE-2021-3739) - CVE-2021-3739 kernel: null-ptr-dereference bug in btrfs_rm_device in fs/btrfs/volumes.c

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1997958

Source: XF
Type: UNKNOWN
linux-kernel-btrfsrmdevice-dos(208201)

Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091

Source: CCN
Type: Linux Kernel Web site
[PATCH] btrfs: fix NULL pointer dereference when deleting device by invalid id

Source: CCN
Type: oss-sec Mailing List, Wed, 25 Aug 2021 10:49:04 +0800
Linux kernel: fs/btrfs: null-ptr-dereference bug in btrfs_rm_device in fs/btrfs/volumes.c

Source: CCN
Type: oss-sec Mailing List, Thu, 26 Aug 2021 17:36:02 +0800
Re: Linux kernel: fs/btrfs: null-ptr-dereference bug in btrfs_rm_device in fs/btrfs/volumes.c

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0006/

Source: MISC
Type: Third Party Advisory
https://ubuntu.com/security/CVE-2021-3739

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/08/25/3

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 5.14.20)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netapp:baseboard_management_controller_h300s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h300s:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netapp:baseboard_management_controller_h500s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h500s:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netapp:baseboard_management_controller_h700s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h700s:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netapp:baseboard_management_controller_h300e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h300e:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netapp:baseboard_management_controller_h500e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h500e:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netapp:baseboard_management_controller_h700e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h700e:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netapp:baseboard_management_controller_h410s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h410s:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netapp:baseboard_management_controller_h410c_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h410c:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.14:rc4:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8029
    P
    		kernel-docs-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-20
    oval:org.opensuse.security:def:7573
    P
    		libXxf86vm-devel-1.1.4-1.23 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7539
    P
    		kernel-64kb-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7588
    P
    		libekmfweb1-2.25.0-150500.7.3 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7709
    P
    		libzmq5-4.2.3-3.15.4 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:8090
    P
    		reiserfs-kmp-default-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7717
    P
    		mailx-12.5-3.3.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:780
    P
    		Security update for snakeyaml (Important)
    2022-09-26
    oval:org.opensuse.security:def:3681
    P
    		Security update for fwupd (Important)
    2022-07-07
    oval:org.opensuse.security:def:3567
    P
    		libXtst6-1.2.2-7.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3398
    P
    		wpa_supplicant-2.6-15.10.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3448
    P
    		busybox-1.21.1-3.3 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3490
    P
    		freeradius-server-3.0.19-1.48 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3453
    P
    		clamav-0.101.3-1.19 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95078
    P
    		reiserfs-kmp-default-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95083
    P
    		kernel-azure-5.14.21-150400.12.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94590
    P
    		kernel-64kb-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95197
    P
    		kernel-default-extra-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94602
    P
    		libQt5Svg5-5.15.2+kde16-150400.1.5 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95028
    P
    		kernel-docs-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:2960
    P
    		kernel-64kb-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94915
    P
    		hplip-3.21.10-150400.1.9 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95391
    P
    		Security update for grub2 (Important)
    2022-06-10
    oval:org.opensuse.security:def:95388
    P
    		Security update for libslirp (Important)
    2022-05-18
    oval:org.opensuse.security:def:4576
    P
    		Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP5) (Important)
    2022-04-15
    oval:org.opensuse.security:def:102104
    P
    		Security update for libreoffice (Moderate)
    2022-03-17
    oval:org.opensuse.security:def:102101
    P
    		Security update for flac (Moderate)
    2022-03-14
    oval:org.opensuse.security:def:6182
    P
    		Security update for zsh (Important)
    2022-03-04
    oval:org.opensuse.security:def:6178
    P
    		Security update for webkit2gtk3 (Important)
    2022-03-03
    oval:org.opensuse.security:def:101628
    P
    		Security update for glibc (Important)
    2022-02-04
    oval:org.opensuse.security:def:4506
    P
    		Security update for the Linux Kernel (Live Patch 10 for SLE 12 SP5) (Important)
    2021-10-14
    oval:org.opensuse.security:def:1591
    P
    		Security update for the Linux Kernel (Important)
    2021-10-13
    oval:org.opensuse.security:def:42226
    P
    		Security update for the Linux Kernel (Important)
    2021-10-13
    oval:org.opensuse.security:def:68806
    P
    		Security update for the Linux Kernel (Important)
    2021-10-13
    oval:org.opensuse.security:def:42222
    P
    		Security update for the Linux Kernel (Important)
    2021-10-13
    oval:org.opensuse.security:def:102296
    P
    		Security update for the Linux Kernel (Important)
    2021-10-12
    oval:org.opensuse.security:def:6456
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:101511
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:66932
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:102993
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:108962
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:10696
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:95744
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:70799
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:102295
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:5843
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:67569
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:99995
    P
    		 (Important)
    2021-09-23
    oval:org.opensuse.security:def:117808
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:109536
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:65595
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:108294
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:74733
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:96321
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:8370
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:1218
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:6480
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:101803
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:99145
    P
    		 (Important)
    2021-09-23
    oval:org.opensuse.security:def:109123
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:76339
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:73701
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:1737
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:70836
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:102333
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:68267
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:100331
    P
    		 (Important)
    2021-09-23
    oval:org.opensuse.security:def:117885
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:109659
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:65665
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:101315
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:8393
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:1268
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:7178
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:101878
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:118632
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:67271
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:99417
    P
    		 (Important)
    2021-09-23
    oval:org.opensuse.security:def:64579
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:42124
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:111726
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:73892
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:1781
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:68359
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:100660
    P
    		 (Important)
    2021-09-23
    oval:org.opensuse.security:def:118046
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:102870
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:108770
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:76000
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:10659
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:95583
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:7270
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:101921
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:119799
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:67545
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:99680
    P
    		 (Important)
    2021-09-23
    oval:org.opensuse.security:def:117495
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:64770
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:102457
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:107981
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:74663
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:96180
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:1125
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:68662
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:118370
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:76335
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:102618
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:68677
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:118431
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:67267
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:42122
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:111720
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:95905
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:102674
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:108767
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:75997
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:68798
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:109284
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:95961
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:66929
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:1550
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:5840
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:109340
    P
    		Security update for the Linux Kernel (Important)
    2021-09-21
    oval:org.opensuse.security:def:111059
    P
    		Security update for the Linux Kernel (Important)
    2021-09-15
    BACK
    linux linux kernel *
    fedoraproject fedora 34
    netapp baseboard management controller h300s firmware -
    netapp baseboard management controller h300s -
    netapp baseboard management controller h500s firmware -
    netapp baseboard management controller h500s -
    netapp baseboard management controller h700s firmware -
    netapp baseboard management controller h700s -
    netapp baseboard management controller h300e firmware -
    netapp baseboard management controller h300e -
    netapp baseboard management controller h500e firmware -
    netapp baseboard management controller h500e -
    netapp baseboard management controller h700e firmware -
    netapp baseboard management controller h700e -
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